Manufacturer Part Number
LTC3649IFE#PBF
Manufacturer
Analog Devices
Introduction
High efficiency, synchronous buck regulator with wide input and output voltage range
Product Features and Performance
Synchronous step-down regulator
Adjustable output voltage
4A output current capability
Wide input voltage range from 3.1V to 60V
Wide output voltage range from 0V to 55V
High switching frequency of 1MHz
Operating temperature from -40°C to 125°C
Surface mount TSSOP-28 package with exposed pad for better thermal performance
Synchronous rectifier for improved efficiency
Positive output configuration
Product Advantages
Capability to operate over a broad input voltage range suitable for various applications
Can deliver up to 4A of continuous output current
Enables compact designs due to high-frequency operation and small package size
Synchronous rectification offers high efficiency
The wide output voltage range is suitable for multiple applications without the need for changing components
Key Technical Parameters
Input Voltage (Min): 3.1V
Input Voltage (Max): 60V
Output Voltage (Min/Fixed): 0V
Output Voltage (Max): 55V
Current - Output: 4A
Frequency - Switching: 1MHz
Topology: Buck
Quality and Safety Features
Robust thermal performance with an operating temperature range of -40°C to 125°C
Built-in thermal shutdown for protection under high-temperature conditions
Compatibility
Broad compatibility with a variety of input sources and systems requiring a flexible output voltage
Application Areas
Power management for industrial systems, automotive electronics, telecommunications, and portable devices
Product Lifecycle
Active product status
Not currently nearing discontinuation
Options for replacements or upgrades should be checked with the manufacturer for newer models or alternative parts
Several Key Reasons to Choose This Product
Supports a wide range of input and output voltages for versatile use in different electronic circuit designs
High output current capacity of 4A for demanding applications
High efficiency due to synchronous rectification and 1MHz switching frequency
The product is in Active status, ensuring availability and support
The small form factor package allows for a compact board layout
Rated for operation across a wide temperature range, making it suitable for harsh environments